Fix all test issues and achieve 100% test pass rate

- Remove all unconditional pytest.skip() calls
- Fix file content tests to handle both strict/non-strict modes
- Fix missing device_capabilities module in hanzo-network
- Fix HanzoNetProvider imports and exports
- Fix local_llm.py import errors
- Create test helper classes for pagination tests
- Fix FastMCP paginator test constructor args
- Configure all API keys from ~/.zsh/after.zsh
- All tests now pass or skip conditionally based on actual requirements

scripts/utils/ruffen-docs.py

@@ -10,11 +10,15 @@ import subprocess
 from typing import Match, Optional, Sequence, Generator, NamedTuple, cast
 
 MD_RE = re.compile(
-    r"(?P<before>^(?P<indent> *)```\s*python\n)" r"(?P<code>.*?)" r"(?P<after>^(?P=indent)```\s*$)",
+    r"(?P<before>^(?P<indent> *)```\s*python\n)"
+    r"(?P<code>.*?)"
+    r"(?P<after>^(?P=indent)```\s*$)",
     re.DOTALL | re.MULTILINE,
 )
 MD_PYCON_RE = re.compile(
-    r"(?P<before>^(?P<indent> *)```\s*pycon\n)" r"(?P<code>.*?)" r"(?P<after>^(?P=indent)```.*$)",
+    r"(?P<before>^(?P<indent> *)```\s*pycon\n)"
+    r"(?P<code>.*?)"
+    r"(?P<after>^(?P=indent)```.*$)",
     re.DOTALL | re.MULTILINE,
 )
 PYCON_PREFIX = ">>> "